The Element of Trust.
Alloys
CDA Copper No. C 715 00
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Copper Nickel, 30%
COMPOSITION (%)
| Nominal | Minimum | Maxiumum | |
|---|---|---|---|
| Copper | 69.5 | — | — |
| Lead | — | — | .05 |
| Iron | .5 | .40 | .7 |
| Zinc | — | — | 1.0 |
| Nickel | 30.0 | 29.0 | 33.0 |
| Manganese | — | — | 1.0 |
| Copper plus elements with Specific Limits | — | 99.5 | — |
NEAREST APPLICABLE ASTM SPECIFICATIONS
| Flat Products | B122, B151, B171, B402, B432 |
| Pipe | B466, B467 |
| Rod | B151 |
| Tube | B111, B359, B395, B466, B467, B543, B552 |
PHYSICAL PROPERTIES
| English Units | C.G.S. Units | |
|---|---|---|
| Melting Point (Liquidus) | 2,260°F | 1,240°C |
| Melting Point (Solidus) | 2,140°F | 1,170°C |
| Density | .323 lb./cu. in. @ 68°F | .894 gm./cu. cm @ 20°C |
| Specific Gravity | 8.94 | 8.94 |
| Coefficient of Thermal Expansion | per °F from 68°F to 212°F | per °C from 20°C to 100°C |
| Coefficient of Thermal Expansion | per °F from 68°F to 392°F | per °C from 20°C to 200°C |
| Coefficient of Thermal Expansion | .0000090 per °F from 68°F to 572°F | .0000162 per °C from 20°C to 300°C |
| Thermal Conductivity | 17 Btu./sq. ft./ft./hr./°F @ 68°F | .07 cal./sq. cm/cm/sec./°C @ 20°C |
| Electrical Resistivity (Annealed) | 225 Ohms (circ. mil./ft.) @ 68°F | 37.5 Microhm-cm @ 20°C |
| Electrical Conductivity* (Annealed) | 4.6% IACS @ 68°F | .0267 Megohm-cm @ 20°C |
| Thermal Capacity (Specific Heat) | .09 Btu./lb./°F @ 68°F | .09 cal./gm./°C @ 20°C |
| Modulus of Elasticity (Tension) | 22,000,000 psi | 15,500 Kg./sq. mm |
| Modulus of Rigidity | 8,300,000 psi | 5,800 Kg./sq. mm |
*Volume basis
MECHANICAL PROPERTIES
| Size Section in. | Temper | Tensile Strength ksi | Yield Strength | Elongation in 2” % | Rockwell Hardness | Shear Stength ksi | Fatigue Strength | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| (.5% Ext. Under Load) ksi | (.2% Offset) ksi | F | B | 30T | ksi | Million Cycles | |||||
| Flat Products | |||||||||||
| 1.0 in | As Hot Rolled | 55.0 | 20.0 | — | 45 | — | 35 | — | — | — | — |
| 1.0 in. OD x .065 in. | .025 mm | 60.0 | 25.0 | — | 45 | 80 | 45 | — | — | — | — |
| Tube | |||||||||||
| 4.5 in. OD x .109 in. | .035 mm | 54.0 | — | — | 45 | 77 | 36 | — | — | — | — |
| Rod | |||||||||||
| 1.0 in. | Half Hard (20%) | 75.0 | 70.0 | — | 15 | — | 80 | — | — | — | — |
The values listed above represent reasonable approximations suitable for general engineering use. Due to commercial variations in composition and to manufacturing limitations, they should not be used for specification purposes. See applicable A.S.T.M. specification references.
